Study On The Classification Of The Pivotal Sentence Which Contains Cause-effect Semantic

The Chinese language has many special complex predicate structures such as double predicate structure,pivotal structure,linkage structure,among them the pivotal sentences can express refined content by its constrictive structure,and thus have high frequency in use. This artical attampt to redefine,classify,hackle and compare the pivotal sentences ,and finally build an integrated pivotal sentence system.Based on the cognitive language and typology language theory ,this artical bring about a new mode to classify the pivotal sentences to four types:cause-category pivotal sentences,ask-category pivotal sentences,permit-category pivotal sentences and help-category pivotal sentences.Then this artical develop a deep and thorough analysis on the four types of pivotal sentenses.based on Zhouhong's thoery of the semantic core of the cause-effct category is the delivery of cause-effct power ,this artical induced every pivotal sentence's sub-category's functional mechanism .then as the end ,this artical give a synthesis by the way of correlating and comparing the four types of pivotal sentences,and probe into their different roles in the cause-effct category's expressing.